Use of Natural Products in Asthma Treatment

Figure 1

Scheme of the immune response induced by allergen or antigen stimulation or the early stages of asthma. GM-CSF: granulocyte-macrophages colony-stimulating factor; IL: interleukin; C3b: opsonin; LOX-5: lipoxygenase type 5; ROS: reactive oxygen species; COX-2: cyclooxygenase type 2; LTB₄: leukotriene type B; PGD₂: prostaglandin type D (adapted from Bradding et al. [6].